Xmas Gift Idea Reachfar V23 4ginternet Door Sensor Alarm Home Door Window Sensor Alarm Gadget [J9zHG8UW]

The main function:
1. 4G network
2. SOS for help
3. Waterproof grade IP67
4. Web platform/App/SMS alarm information
5. Door sensor alarm
6. Low battery alarm
7. Two-way conversation

Product specifications:
1. Frequency band:
4G-FDD: B1 B2 B3 B5 B7 B8 B20 B28A;
3G-WCDMA: B1/2/5/8
2G-GSM: B2/3/5/8
2. Working temperature: -20 degrees Celsius -80 degrees Celsius
3. Working humidity: 5 percent-95 percent RH
4. Battery capacity: 2000mA
5. Standby time: 35-40 days
6. Product size: 110x50x18 mm
7. Product net weight: 133g

Packing list:
1. Host x 1
2. Magnetic stripe x 1
3. Manual x 1
4. Screwdriver x 1
5. Mounting bracket x 1
6. Card thimble x 1
7. Charging cable x 1
8. Bracket screw x 4